RFR: JDK-8157623 Unexpected warning about ignoring value of CCACHE from environment

[Erik Joelsson]

Looks good.

/Erik


On 2016-10-12 11:38, Magnus Ihse Bursie wrote:
> When using --enable-ccache, we always get this warning:
>
> configure: WARNING: Ignoring value of CCACHE from the environment. Use 
> command line variables instead.
>
> This is caused by us always setting CCACHE to an empty value. This 
> also had the side effect of overriding any user-provided value. This 
> fix addresses both this issues.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8157623
> Patch inline:
>
> diff --git a/common/autoconf/build-performance.m4 
> b/common/autoconf/build-performance.m4
> --- a/common/autoconf/build-performance.m4
> +++ b/common/autoconf/build-performance.m4
> @@ -168,7 +168,6 @@
>        [AS_HELP_STRING([--enable-ccache],
>        [enable using ccache to speed up recompilations 
> @<:@disabled@:>@])])
>
> -  CCACHE=
>    CCACHE_STATUS=
>    AC_MSG_CHECKING([is ccache enabled])
>    if test "x$enable_ccache" = xyes; then
>
>
> /Magnus
>